lib: add readback config_pulse function

2be268c7 · Juan David González Cobas · Alessandro Rubini · 06c7a070 · 2be268c7
Commit 2be268c7 authored Oct 08, 2013 by Juan David González Cobas Committed by Alessandro Rubini Mar 18, 2014
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fdelay-output.c lib/fdelay-output.c +58 -0

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--- a/lib/fdelay-output.c
+++ b/lib/fdelay-output.c
@@ -139,6 +139,64 @@ int fdelay_config_pulse_ps(struct fdelay_board *userb,
 	return fdelay_config_pulse(userb, channel, &p);
 }

+int fdelay_get_config_pulse(struct fdelay_board *userb,
+				int channel, struct fdelay_pulse *pulse)
+{
+	__define_board(b, userb);
+	char s[32];
+	uint32_t utc_h, utc_l, rep, mode;
+
+	sprintf(s,"fd-ch%i/%s", channel + 1, "mode");
+	if (fdelay_sysfs_get(b, s, &mode) < 0)
+		return -1; /* errno already set */
+	pulse->mode = mode;
+	sprintf(s,"fd-ch%i/%s", channel + 1, "rep");
+	if (fdelay_sysfs_get(b, s, &rep) < 0)
+		return -1;
+	pulse->rep = rep;
+
+	sprintf(s,"fd-ch%i/%s", channel + 1, "start-h");
+	if (fdelay_sysfs_get(b, s, &utc_h) < 0)
+		return -1;
+	sprintf(s,"fd-ch%i/%s", channel + 1, "start-l");
+	if (fdelay_sysfs_get(b, s, &utc_l) < 0)
+		return -1;
+	pulse->start.utc = (((uint64_t)utc_h) << 32) | utc_l;
+	sprintf(s,"fd-ch%i/%s", channel + 1, "start-coarse");
+	if (fdelay_sysfs_get(b, s, &pulse->start.coarse) < 0)
+		return -1;
+	sprintf(s,"fd-ch%i/%s", channel + 1, "start-frac");
+	if (fdelay_sysfs_get(b, s, &pulse->start.frac) < 0)
+		return -1;
+
+	sprintf(s,"fd-ch%i/%s", channel + 1, "end-h");
+	if (fdelay_sysfs_get(b, s, &utc_h) < 0)
+		return -1;
+	sprintf(s,"fd-ch%i/%s", channel + 1, "end-l");
+	if (fdelay_sysfs_get(b, s, &utc_l) < 0)
+		return -1;
+	pulse->end.utc = (((uint64_t)utc_h) << 32) | utc_l;
+	sprintf(s,"fd-ch%i/%s", channel + 1, "end-coarse");
+	if (fdelay_sysfs_get(b, s, &pulse->end.coarse) < 0)
+		return -1;
+	sprintf(s,"fd-ch%i/%s", channel + 1, "end-frac");
+	if (fdelay_sysfs_get(b, s, &pulse->end.frac) < 0)
+		return -1;
+
+	sprintf(s,"fd-ch%i/%s", channel + 1, "delta-l");
+	if (fdelay_sysfs_get(b, s, &utc_l) < 0)
+		return -1;
+	pulse->loop.utc = utc_l;
+	sprintf(s,"fd-ch%i/%s", channel + 1, "delta-coarse");
+	if (fdelay_sysfs_get(b, s, &pulse->loop.coarse) < 0)
+		return -1;
+	sprintf(s,"fd-ch%i/%s", channel + 1, "delta-frac");
+	if (fdelay_sysfs_get(b, s, &pulse->loop.frac) < 0)
+		return -1;
+
+	return 0;
+}
+
 int fdelay_has_triggered(struct fdelay_board *userb, int channel)
 {
 	__define_board(b, userb);